X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1993-02-24
1994-07-05
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378116, 378193, 378196, H05G 160
Patent
active
053274741
ABSTRACT:
An X-ray radiographic apparatus for medical use in photographing tomographic images and X-ray penetration images of an examinee. This apparatus has a bed horizontally movably supporting a top board for carrying the examinee, a gantry for X-ray tomography including a first X-ray source revolvable around the examinee and a first X-ray detector for detecting transmitted X-rays, a second X-ray source mounted on a moving mechanism movable on a three-dimensional coordinate system in an examination room accommodating the bed and the gantry, a high voltage unit for supplying an X-ray generating high current to the first X-ray source and the second X-ray source, a switch for selecting a destination of output of the high voltage unit, and a second X-ray detector for detecting transmitted X-rays from the second X-ray source.
REFERENCES:
patent: 4501011 (1985-02-01), Hauck et al.
patent: 4672454 (1987-06-01), Cannella et al.
patent: 5199060 (1993-03-01), Kato
Patent abstracts of Japan, vol. 13, No. 241, Jun. 6, 1989.
Inoue Yoshihiro
Okumura Yoshitaka
Sukeyasu Katsunori
Porta David P.
Shimadzu Corporation
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